RUSSIA-UNREST-POLITICS--INTELLIGENCE-OLY-2014

NINA ZOTINA / AFP/Getty Images

A picture taken on January 18, 2014, shows people walking past an information banner with the photos of police wanted suspected terrorists in a department store in the Russian Black Sea resort of Sochi. The sign under the colour photo (bottom R) reads: Ruzanna Ibragimova, born in 1991 in North Ossetia. Islamist insurgents based in North Caucasus republics such as Dagestan who are seeking their own independent state have vowed to disrupt the Sochi Games in order to undermine Russian President Vladimir Putin. AFP PHOTO / NINA ZOTINANINA ZOTINA/AFP/Getty Images ORG XMIT: -

A picture taken on January 18, 2014, shows people walking past an information banner with the photos of police wanted suspected terrorists in a department store in the Russian Black Sea resort of Sochi. The sign under the colour photo (bottom R) reads: Ruzanna Ibragimova, born in 1991 in North Ossetia. Islamist insurgents based in North Caucasus republics such as Dagestan who are seeking their own independent state have vowed to disrupt the Sochi Games in order to undermine Russian President Vladimir Putin. AFP PHOTO / NINA ZOTINANINA ZOTINA/AFP/Getty Images ORG XMIT: - (NINA ZOTINA / AFP/Getty Images)

A picture taken on January 18, 2014, shows people walking past an information banner with the photos of police wanted suspected terrorists in a department store in the Russian Black Sea resort of Sochi. The sign under the colour photo (bottom R) reads: Ruzanna Ibragimova, born in 1991 in North Ossetia. Islamist insurgents based in North Caucasus republics such as Dagestan who are seeking their own independent state have vowed to disrupt the Sochi Games in order to undermine Russian President Vladimir Putin. AFP PHOTO / NINA ZOTINANINA ZOTINA/AFP/Getty Images ORG XMIT: -